About 1st National Security Ltd
An SIA Approved Contractor providing professional, reliable, and responsive security guarding services across London, Essex, Hertfordshire, and throughout the United Kingdom.
Dedicated to Professional Security Guarding
1st National Security Ltd is a UK private security company established to provide businesses, commercial property managers, construction contractors, and residential developments with highly disciplined, dependable manned security guarding.
Operating from our head office at Unit 5 Ability House, 121 Brooker Road, Waltham Abbey, EN9 1JH, we serve clients requiring rigorous access control, active deterrence, and transparent operational accountability.
We firmly believe that effective security relies upon three interconnected pillars: rigorously screened personnel, clear Assignment Instructions tailored to each site, and proactive operational supervision.
SIA ACS Verified
1st National Security Ltd is listed on the official Security Industry Authority register as an approved contractor for Security Guarding under the Approved Contractor Scheme (ACS).
- ACS Reference:
- Approved Scope: Security Guarding
- Accredited Status: SIA Approved Contractor
- Authority: Security Industry Authority (UK)
British Standard BS 7858 Screening & Vetting
Security is only as reliable as the officers standing on your site. At 1st National Security Ltd, every security officer undergoes strict pre-employment vetting compliant with British Standard BS 7858 (Security screening of individuals employed in a security environment).
5-Year Employment History
Comprehensive verification of previous employment, career records, and gaps in employment with written references.
Criminal Record / DBS Checks
Mandatory Disclosure and Barring Service checks to ensure zero unspent disqualifying convictions.
Right to Work Verification
Formal Home Office share-code and identity document validation confirming legal eligibility to work in the UK.
SIA Licence Authenticity
Real-time checks against the SIA register to ensure active, valid licences before every shift deployment.
Our Operational Governance & Site Delivery
We do not treat security as a commoditised warm-body service. Every contract we undertake follows a structured operational workflow:
Initial Threat & Site Vulnerability Assessment
Our operations team inspects your premises, identifies perimeter blind spots, high-value asset storage, and pedestrian/vehicular choke points.
Detailed Assignment Instructions (AIs)
We document complete standard operating procedures, access protocols, handover checklists, and emergency escalation paths in contract-specific Assignment Instructions.
Active Supervisor Audits & Patrol Logging
Mobile field supervisors perform unannounced site inspections, audit guard turn-out, and verify electronic patrol tag records to maintain absolute vigilance.
Discuss Your Security Requirements With Our Operations Team
Whether you require ongoing static manned guarding or short-term site protection, we provide clear, uncompromised security.